Echolink allows hams use their computers to talk on repeaters around the
world.
No radio required.

One other thing - with Echolink you can talk to other hams on their computers
without the need of any radios.
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73! de Andy KC2SSB - WPYI880 (GMRS)
Beachwood, NJ USA! Grid FM29vw
http://vhfradiobuff.tripod.com